R5F21184NP#U0 - 16-Bit R8C 16KB MCU | Renesas Electronics
MPN: R5F21184NP#U0 ✓ نشطR5F21184NP#U0 نظرة عامة
A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The R8C core is a compact CISC-based architecture used in embedded systems where deterministic control, low component count, and broad peripheral integration are important. Within the device hierarchy, the R5F21184NP#U0 is a 16-bit microcontroller, an embedded processor, and ultimately a semiconductor used to implement control logic for industrial, consumer, and communications equipment.
The main device characteristics include 16-bit instruction processing, 16 KB of flash program memory, operation from 2.7 V to 5.5 V, and a 20 MHz maximum clock indication for the closely related R5F21184 family. The 28-pin HWQFN package supports a compact surface-mount footprint, while the 5 V-oriented operating range suits conventional embedded control systems. Its integrated architecture reduces the number of external components needed for basic sensing, timing, communications, and actuator-control functions.
The R8C family architecture is intended for embedded applications that need more control capability than a simple 8-bit controller without moving immediately to a larger application processor. Flash memory allows firmware to be programmed for the finished product rather than relying on mask-programmed ROM. The combination of a 20 MHz clock, 16-bit CPU architecture, and mixed-signal peripherals supports responsive control loops while keeping software and hardware integration manageable.
Typical uses include industrial control modules, sensor interfaces, motor and actuator controllers, household appliances, instrument panels, and low- to moderate-speed communications equipment. The device can also serve as the central controller in compact embedded products where a 28-pin package is preferred over larger leaded or high-pin-count alternatives. System-level selection should account for the exact peripheral mix, clock configuration, memory organization, and board-level requirements of the target design.
Before laying out a PCB, use the manufacturer pin-description table and package drawing to assign every signal and preserve the exposed-pad connection specified for the HWQFN package. Keep supply and ground paths short, place decoupling capacitors near the device, and confirm the external crystal or clock-network requirements for the intended operating mode. Firmware development should follow the R8C hardware and application notes to preserve correct peripheral configuration and timing.
This product page consolidates the essential R5F21184NP#U0 identity, electrical envelope, package information, application guidance, comparison fields, and sourcing questions into one engineering-focused reference. It also distinguishes documented device facts from parameters that require confirmation in the Renesas datasheet or product documentation before a new design is released.
بدائل مباشرة لـ R5F21184NP#U0 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
لا تتوفر بدائل متوافقة تمامًا لهذا المنتج.
اطلب بدائلR5F21184NP#U0 الحدود القصوى والخصائص الكهربائية
| Product Type | 16-bit microcontroller |
| CPU Core | Renesas R8C CISC core |
| CPU Word Size | 16 bit |
| أقصى تردد للساعة | 20 MHz |
| Flash Memory | 16 KB |
| Program Memory Organization | 16K x 8 bit |
| Minimum Operating Supply Voltage | 2.7 V |
| Maximum Operating Supply Voltage | 5.5 V |
| Nominal Supply Levels | 3.3 V and 5 V |
| العلبة | 28-pin HWQFN, 5 x 5 mm |
| نوع التركيب | Surface mount |
| Shipping Package | Tube |
| Lead-Free Status | Pb-free |
دليل تكوين أطراف R5F21184NP#U0 tube
تكوين الأطراف لـ R5F21184NP#U0 (حزمة tube). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ R5F21184NP#U0.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
R5F21184NP#U0 مناسب لـ 6 التطبيقs: Industrial Control Module, Sensor Conditioning and Data Acquisition, Motor and Actuator Controller, Household Appliance Controller, Communications Interface Module, Instrumentation and Measurement Front End.
Industrial Control Module
The R5F21184NP#U0 fits compact industrial control modules that coordinate sensors, timers, status indicators, and actuators without requiring a large processor. Its 16-bit R8C core supports compact instruction processing, while 16 KB of flash provides dedicated room for application firmware and configuration routines. The 2.7 V to 5.5 V supply range supports common embedded rails. The 28-pin HWQFN package also reduces PCB footprint compared with many leaded controllers. Final suitability depends on the GPIO count, timer resources, analog peripherals, operating temperature, and isolation requirements of the target machine; verify these against the manufacturer pin and electrical tables before layout release.
Sensor Conditioning and Data Acquisition
The R5F21184NP#U0 can serve as the supervisory controller in a sensor-conditioning or data-acquisition module when the required signal path remains within its R8C peripheral capabilities. The 16-bit architecture supports arithmetic and control tasks, while the 16 KB flash footprint is practical for compact acquisition firmware, calibration tables, and communication routines. Its 20 MHz maximum clock indication allows responsive sampling and filtering without a separate processor. The device should be placed close to supported sensor interfaces, with short analog and reference routes where applicable. Confirm the ADC resolution, channel count, timing, and analog operating limits before selecting it for a precision measurement design.
Motor and Actuator Controller
The R5F21184NP#U0 is applicable to small motor and actuator controllers where a compact MCU must coordinate inputs, timing sequences, and output commands. Its 16-bit R8C processor core provides more computational headroom than a basic 8-bit controller, and the 20 MHz operating class supports responsive control-loop execution. A 28-pin HWQFN footprint is useful for space-constrained control boards, while the 2.7 V to 5.5 V range supports multiple embedded supply architectures. Power transistors remain external, so motor current, protection, thermal behavior, and isolation determine the overall design. Check timer outputs, duty-cycle limits, and electrical ratings before using the MCU to drive a particular load.
Household Appliance Controller
The R5F21184NP#U0 can support a compact household-appliance controller that manages buttons, displays, sensors, relays, or communication interfaces. The 16 KB flash area is suitable for embedded firmware that includes user-interface logic, timing, diagnostics, and configuration handling. Its 3.3 V and 5 V operating orientation allows integration with common appliance electronics, while the 5 x 5 mm HWQFN package supports dense control boards. Designers should use the pin table to allocate motor or heater-control outputs and allow isolation or protection components where mains-connected loads are involved. Confirm the available timers, serial interfaces, and environmental ratings before approving the MCU for a specific appliance category.
Communications Interface Module
The R5F21184NP#U0 is suitable for a compact communications interface module when the required protocol and baud rate fit the R8C device's timer and serial resources. The microcontroller can manage framing, status, configuration, and host-facing handshaking within its 16-bit processing architecture. A 20 MHz maximum clock indication provides a useful balance between control responsiveness and integration effort, and the 2.7 V to 5.5 V range simplifies interface-level planning. The package keeps the controller small on crowded modules, but RF routing remains outside the MCU's functions. Confirm UART, serial, timer, and interrupt resources in the Renesas documentation before assigning network-protocol responsibilities.
Instrumentation and Measurement Front End
The R5F21184NP#U0 can act as the control processor for a compact instrumentation front end that acquires supported inputs, applies calibration, drives a local display, and records operating status. Its 16-bit R8C core is appropriate for basic fixed-point control and data handling, while 16 KB of flash stores compact firmware and calibration logic. The low-profile 28-pin HWQFN package helps minimize controller-board size, and the available supply range supports common embedded rails. The MCU should be positioned to minimize coupling from switching power stages and noisy inputs. Confirm analog resolution, reference accuracy, timer channels, and operating-temperature requirements before using it in precision laboratory equipment.
بيانات مرجعية هندسية لـ R5F21184NP#U0 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج |
|---|---|
| Product Type | 16-bit R8C microcontroller |
| Brand | Renesas Electronics |
| Package | 28-pin HWQFN, 5 x 5 mm |
| CPU Architecture | R8C CISC |
| CPU Word Size | 16 bit |
| Maximum Clock Frequency | 20 MHz |
| Flash Memory | 16 KB |
| Operating Supply Voltage | 2.7 V to 5.5 V |
| Shipping Package | Tube |
أبرز الفروقات
- Compact 16-bit control in a 5 x 5 mm package (مقابلR5F21184SP#U0)
- Exact-ordering identity for existing R5F21184NP designs (مقابلR5F21184SP#U0)
- Flash-backed firmware configuration (مقابلMask-programmed MCU alternatives)
ملاحظات التصميم
Follow the Renesas 28-pin HWQFN land pattern and exposed-pad instructions rather than creating a footprint from nominal package dimensions alone. Confirm pad size, pitch, solder-mask opening, and the exposed-pad connection in the manufacturer package drawing. Place the device so heat can spread into the PCB copper where practical, and avoid placing tall components against the pad unless the assembly process permits it.
Plan the supply network for the documented 2.7 V to 5.5 V operating range. Place the required bypass capacitors close to the device's supply and ground connections, keep their current loops compact, and separate sensitive signal routing from switching and high-current paths. Confirm the required capacitor values, allowable ESR, and startup behavior in the Renesas electrical-characteristics documentation before finalizing the power tree.
Use the manufacturer pin-description table when assigning oscillator, reset, programming, serial, timer, and GPIO functions. Keep clock traces short and away from switching nodes, route programming and debug interfaces to accessible test points, and provide unobstructed access to the package thermal area. Confirm which pins are dedicated functions and whether unused pins require defined levels.
Do not treat the related R5F21184SP#U0 as a physical substitute for this device because it uses a 20-LSSOP package rather than a 28-pin HWQFN package. A valid replacement must match the footprint, pin functions, clock behavior, memory resources, supply limits, and required peripherals. Also verify the exact #U0 ordering suffix and tube packing requirement when requesting production supply.
معلومات الامتثال
The product is identified as Pb-free. RoHS, REACH, halogen-free, conflict-minerals, and automotive qualification status require confirmation from the manufacturer.
